html,body{
    width: 100%;
    height: 100%;
}
.login{
    background-color: #b2b2b2;
    width: 100%;
    height: 100%;
}

.dan{
    background-color: #ffffff;
    width: 420px;
    height: 547px;
    text-align: center;
    padding: 5px 20px;
    box-sizing: border-box;
    top: 0px;
    left: 0px;
    right: 0;
    bottom: 0;
    margin: auto;
    position: fixed;
}
dl dd:nth-child(1){
    margin-bottom: 44px;
}
dl dd:nth-child(2){
    text-align: center;
    width: 190px;
    margin-bottom: 40px;
    margin-left: 84px;
}
dl dd:nth-child(2) span{
           color: #eeeeee;
           font-size: 12px;
}
#zhanghao{
   height: 30px;
    width: 43px;
    white-space:nowrap;
    font-size: 16px;
}
#saoma{
   height: 30px;
      width: 43px;
      white-space:nowrap;  
    font-size: 16px;

}
#zhanghao:hover{
     border-bottom: 2px solid #00bdff;
     color: #00bdff;
     cursor: pointer;
}
#saoma:hover{
    border-bottom: 2px solid #00bdff;
    color: #00bdff;
    cursor: pointer;
}



/* 用户名 */
/* dl dd:nth-child(3){
    border-bottom:1px solid #e7e7e7 ;
    padding-bottom: 7px;
    height: 34px;
     margin-bottom: 27px;
} */
dl dd:nth-child(3){
    width: 290px;
}
dl dd:nth-child(3) div:first-of-type{
    width: 37px;
    height: 25px;
    overflow: hidden;
    
} 
dl dd:nth-child(3) div:first-of-type img{
   
    position: relative;
    left:-48px ;
    right: 0px;
}



/* 密码 */
/* dl dd:nth-child(4){
    border-bottom:1px solid #e7e7e7 ;
    padding-bottom: 7px;
    height: 34px;
     margin-bottom: 27px;
} */

form{
    height: 150px;

}
form hr{
    color: #e7e7e7;
    width: 347px;
}
dl dd:nth-child(3) div:last-of-type{
    width: 37px;
    height: 25px;
    overflow: hidden;
} 
dl dd:nth-child(3) div:last-of-type img{
    
    position: relative;
    left:-21px ;
    top: -2px;
}


/* 忘记密码 */
dl dd:nth-child(4){
    margin-bottom: 20px;
    height: 15px;
}
dl dd:nth-child(4) a{
    color:#00bdff;
    font-size: 14px;
}


input{
    width:249px;
    height: 25px;
    border: none;
    outline: none;
}


/* 登录 */
dl dd:nth-child(5){
    width: 360px;
    
}
dl dd:nth-child(5) input{
    color: white;
    background-color: #00bdff;
    width: 360px;
    height: 47px;
    cursor: pointer;
    margin-bottom:20px ;
}


/* 没账号？ */
dl dd:nth-child(6) {
    height: 16px;
    padding-left: 128px;
    padding-right: 47px;
}
dl dd:nth-child(6) div{
    width: 16px;
    height: 14px;
    overflow: hidden;
} 
dl dd:nth-child(6) div img{
    
    position: relative;
    left: -56px;
        top: -38px;
}





#erweima{
    width: 360px;
    height: 235px;
    padding-top: 25px;
    background-color: #fcfcfc;
}
#erweima p{
    margin-top: 22px;
}
#erweima img{
    width: 105px;
    height: 105px;
    margin-left: 40px;
}